MESON Chess Problem Database

Problem Display
PID: 205129 (Q7/6p1/K1ppp3/3k1p2/5P1b/N3B3/5N2/8 w - - 0 1)

Dischler, Max

Badische Neueste Nachrichten, 1972

Q7/6p1/K1ppp3/3k1p2/5P1b/N3B3/5N2/8

#2

6 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qg8#
  • Tries
    • 1.Kb6?
      • threat
        • 2.Qxc6#
      • 1...e5
        • 2.Qg8#
      • 1...Bd8+!
    • 1.Qa7?
      • threat
        • 2.Qd4#
      • 1...c5
        • 2.Qb7#
        • 2.Qa8#
      • 1...e5
        • 2.Qf7#
      • 1...Bf6!
    • 1.Qb8?
      • threat
        • 2.Qb3#
      • 1...c5
        • 2.Qb7#
        • 2.Qa8#
      • 1...Bxf2!
  • Keys
    • 1.Qh8!
      • 1...Bxf2
        • 2.Qh1#
      • 1...c5
        • 2.Qa8#
      • 1...e5
        • 2.Qg8#
      • 1...Bg3
        • 2.Qh1#
      • 1...Bg5
        • 2.Qh1#
      • 1...Bf6
        • 2.Qh1#
      • 1...Be7
        • 2.Qh1#
      • 1...Bd8
        • 2.Qh1#
      • 1...g5
        • 2.Qd4#
      • 1...g6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • P(f);OGATEB::QAB(F)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAB1(F),XP(d)
      • Vars
        • P(f);OGATEB::QAB(F)
      • Refutation
        • B(a);CHECK
    • Try
      • Q(F);N_PINP(d)
      • Threat
        • QAR1(F)
      • Vars
        • P(f);OGATEB::QAB(F)
      • Refutation
        • B(a);
    • Try
      • Q(F);N_PINP(d)
      • Threat
        • QAB(F)
      • Refutation
        • B(a);XS(A)
  • Actual
    • Q(F);N_PINP(d)
    • Vars
      • B(a);OGATE,XS(A)::QAB(F)
      • P(d);OGATEB::QAB(F)
      • P(f);OGATEB::QAB(F)
      • B(a);OGATE::QAB(F)
      • P(g);OGATE::QAR1(F)
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